Results 41 to 50 of about 1,084 (156)

海上风电场升压站变压器和GIS的设计、应用和展望

open access: yesGaoya dianqi, 2021
作为大型海上风电场的关键构成设施,海上交流升压站是海上风电场电力送出的枢纽,它的设计优化对于整个风场建设和运行的经济性、可靠性、可利用性、可维护性和安全性等都起着非常重要的作用。国内首个海上交流升压站在2015年于中广核如东风场投入运行[1],与成熟的陆上变电站系统相比,国内海上升压站无论是在设计还是运行方面都处于起步阶段,同时相关的设计标准和技术规范还不够完善,因此在恶劣的海洋环境工况下,对变电站用的电力变压器和GIS的技术设计要求和选用就变得尤为关键。基于丰富的欧洲海上升压站交付经验 ...
李德军, 周剑, 钟孝泰, 沈威
doaj  

Extraction Method of Offshore Wind Power Output Characteristic Curve Based on Gaussian Mixture Model and Its Application in Electric Quantity Balance [PDF]

open access: yes, 2023
[Introduction] To reduce fossil energy consumption and mitigate environmental pollution, offshore wind power is one of the effective ways to solve the problem.
Jiachang LIU, Shichao WANG, Zhanzhi LIU
core   +1 more source

海上风电35kV集电系统中性点不同接地方式下过电压分析

open access: yesDianci bileiqi, 2023
随着海上风电场规模的增加,35 kV集电系统的海缆截面和长度也不断增加,由于海上风电35 kV集电系统与陆上35 kV配电网中性点接地方式不同,但其海缆绝缘厚度与陆缆标准一致,导致其绝缘水平有较大裕度,造成一定资源的浪费。以某海上风场35 kV集电系统为例,搭建了3条集电线路仿真模型,计算了35 kV海缆在合闸/切除集电线路、合闸/切除箱式变压器等操作工况下和弧光接地下的过电压水平,比较海上风电集电系统中性点在不同接地方式下,不同工况下35 kV海缆在所承受的过电压水平的差异,结果标明:合闸 ...
黄涛   +6 more
doaj  

Research on the Engineering Geological Model and Its Application for Offshore Wind Power Development and Construction [PDF]

open access: yes, 2023
[Introduction] Speeding up the offshore wind power construction and development is of great significance to promoting the adjustment of China's energy structure. China is accelerating the process of its wind power development in the entire offshore area,
Feng LIANG   +4 more
core   +1 more source

海上勘察项目中海事安全监管责任风险与对策探讨

open access: yes水电科技
文中分析了海上勘察项目中海事安全监管责任的风险与应对策略。在这类项目中,海事安全监管扮演着至关重要的角色,同时面临多种潜在的风险。文章通过分析人为错误、技术限制和环境因素等因素,展示了这些监管责任在海上勘察中遇到的主要挑战。对此,文章建议采取多种措施,包括改进监管框架、增强员工培训、提升技术支持和采取预防性措施。通过对华能临高海上风电场项目在海南省临高县的案例研究,进一步证实了这些策略的实际效用。
雷 刘, 梓清 马, 臻 刘, 万鹏 赵
semanticscholar   +1 more source

基于MMC的海上风电柔性直流送出控制策略研究

open access: yesGaoya dianqi, 2023
随着国内外大容量远距离海上风电的开发,采用基于模块化多电平换流器(modular multilevel converter,MMC)的柔性直流送出方式具有更大的经济优势。文中在介绍MMC工作原理和海上风电柔性直流送出拓扑基础上,提出了陆上换流站有源控制、海上换流站无源控制、陆上换流站直流耗能装置协调控制、海上换流站双联接变协调控制及系统启动顺序控制等核心控制策略;通过搭建基于实时数字仿真系统(real time digital simulation system,RTDS ...
宋延涛   +5 more
doaj  

Research on the impact of underwater noise radiated from offshore wind farm on Chinese white dolphin(Sousa chinensis) [PDF]

open access: yes, 2014
近年来,随着“低碳经济”理念被人们逐步接受并倡导,加大清洁能源开发力度成为未来能源的发展方向。在清洁能源的开发和利用中,风能利用技术相对成熟,而海上风能利用是其重要组成部分。但在海上风电场的建设期和运营期,,尤其是在风机桩基固定过程中进行的冲击式打桩作业,会向水中辐射高强度、瞬发性、宽频带的脉冲信号。研究表明,冲击式水下打桩噪声会影响海洋哺乳动物的行为,掩蔽其声学信号,甚至造成其听觉损伤。 中华白海豚(Chinesewhitedolphin,Sousachinensis)是我国国家一级保护动物 ...
汪启铭
core  

Electricity Transmission Strategy Research Based on Wind-Coal-Battery-Hydrogen-CCUS Multi Energy Coupling and Bundling System [PDF]

open access: yes, 2023
[Introduction] In order to guarantee urban power supply and offshore wind power utilization without building new power lines, the paper aims to establish a electricity transmission strategy based on wind-coal-battery- hydrogen -CCUS multi energy coupling
Jiamin YIN   +7 more
core   +1 more source

海上风电场断路器重燃过电压研究

open access: yesDianci bileiqi, 2017
海上风电场真空断路器投切时,其多次重燃产生的过电压对海上风电场内的电力设备会造成影响。由过电压引发的大规模风机脱网事故会破坏电力系统稳定运行。针对这一问题,在详细分析真空断路器重燃机理的基础上,利用ATP-EMTP建立真空断路器模型实现对重燃过程的模拟,并通过仿真验证其正确性。首次将此真空断路器模型应用于海上风电场系统中,通过建立海上风电场等值模型,模拟断路器重燃时海上风电场内过电压情况,分析海底电缆及海上风电场系统参数对操作过电压的影响 ...
周歧斌, 程彧, 赵洋
doaj  

Accessibility and boarding technology for offshore wind power platforms in China: current status and future prospects [PDF]

open access: yes
Objective Most offshore wind power platforms are unmanned, resulting in high operation and maintenance costs due to the complex operating environment, limited accessibility, and short time window for going offshore.
Chao LIU   +4 more
core   +1 more source

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